IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 112 - 117 of 929

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Question number: 112

» Lines, Angles and Quadrilaterals

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MCQ▾

Question

If , and , then x and y respectively are ________

Image shows AB and CD parallel line, find x, y

Image Shows AB and CD Parallel Line, Find X, Y

Image AB and CD parallel line and find x and y

Choices

Choice (4) Response

a.

35˚, 55˚

b.

90˚, 30˚

c.

45˚, 35˚

d.

65˚, 25˚

Question number: 113

» Lines, Angles and Quadrilaterals

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Question

In the given figure, XY is a mirror, AB is the incident ray and BC is the reflected ray. If ∠ABC = 116˚, then ∠CBY is ________

Image defines angles find angle CBY

Image Defines Angles Find Angle CBY

Image defines the angles and find the one angle

Choices

Choice (4) Response

a.

43˚

b.

21˚

c.

23˚

d.

32˚

Question number: 114

» Lines, Angles and Quadrilaterals

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Question

In the given figure and , then value of x is________.

Image defines the lines BC and DE

Image Defines the Lines BC and DE

Image defines the lines and angle and find the value of x

Choices

Choice (4) Response

a.

140˚

b.

105˚

c.

135˚

d.

125˚

Question number: 115

» Lines, Angles and Quadrilaterals

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MCQ▾

Question

How many sides does a regular polygon have, each angle of which is of measure 135˚?

Choices

Choice (4) Response

a.

6

b.

8

c.

7

d.

9

Question number: 116

» Lines, Angles and Quadrilaterals

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MCQ▾

Question

Two supplementary angles differ by 94˚. Then the angles are ________

Choices

Choice (4) Response

a.

120˚, 60˚

b.

142˚, 38˚

c.

137˚, 43˚

d.

67˚, 113˚

Question number: 117

» Lines, Angles and Quadrilaterals

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Question

In the figure below, lines PQ and JK intersect at O. if and , then are equal to ________

Image defines the lines PQ and JK intersect at O

Image Defines the Lines PQ and JK Intersect at O

Image defines the two lines intersect and find the value of ∠QOK

Choices

Choice (4) Response

a.

56˚

b.

54˚

c.

58˚

d.

90˚